<span>Any physical or psychological event that produces stress</span>
Roots are built to absorb more and are placed right in their environment that they will be absorbing nutrients. Unlike leaves and stems, roots are not exposed to the daily elements in the outdoors and therefore don’t need the protection and filter that the waxy cuticle provides.
I believe this is the difference..
I hope this helps! :)
Kinetic molecular theory says that as water molecules absorb energy,their motion and temperature will have a lower Kinetic energy and the sample becomes matter??